Updated release process
Merge branch 'PHP-5.3' into PHP-5.4

* PHP-5.3:
  Updated release process
Merge branch 'PHP-5.4' into PHP-5.5

* PHP-5.4:
  Updated release process
Merge branch 'PHP-5.5' into PHP-5.6

* PHP-5.5:
  Updated release process
Merge branch 'PHP-5.6'

* PHP-5.6:
  Updated release process
Merge remote-tracking branch 'origin/master' into str_size_and_int64